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Docker

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79.7K
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3.8K
NixOS

53
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Decisions about Docker and NixOS
Florian Sager
IT DevOp at Agitos GmbH · | 2 upvotes · 167.3K views
Chose
LXD
over
Docker

lxd/lxc and Docker aren't congruent so this comparison needs a more detailed look; but in short I can say: the lxd-integrated administration of storage including zfs with its snapshot capabilities as well as the system container (multi-process) approach of lxc vs. the limited single-process container approach of Docker is the main reason I chose lxd over Docker.

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Pros of Docker
Pros of NixOS
  • 821
    Rapid integration and build up
  • 688
    Isolation
  • 517
    Open source
  • 504
    Testa­bil­i­ty and re­pro­ducibil­i­ty
  • 459
    Lightweight
  • 217
    Standardization
  • 182
    Scalable
  • 105
    Upgrading / down­grad­ing / ap­pli­ca­tion versions
  • 86
    Security
  • 84
    Private paas environments
  • 33
    Portability
  • 25
    Limit resource usage
  • 15
    I love the way docker has changed virtualization
  • 15
    Game changer
  • 12
    Fast
  • 11
    Concurrency
  • 7
    Docker's Compose tools
  • 4
    Fast and Portable
  • 4
    Easy setup
  • 4
    Because its fun
  • 3
    Makes shipping to production very simple
  • 2
    It's dope
  • 1
    Highly useful
  • 1
    MacOS support FAKE
  • 1
    Its cool
  • 1
    Docker hub for the FTW
  • 1
    Very easy to setup integrate and build
  • 1
    Package the environment with the application
  • 1
    Does a nice job hogging memory
  • 1
    Open source and highly configurable
  • 1
    Simplicity, isolation, resource effective
  • 2
    Declarative system configuration
  • 2
    Multi-user package management
  • 2
    Reproducible environment
  • 2
    Atomic upgrades
  • 2
    Rollback for any changes
  • 1
    Cloud Agnostic Deployments

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Cons of Docker
Cons of NixOS
  • 7
    New versions == broken features
  • 4
    Documentation not always in sync
  • 3
    Moves quickly
  • 3
    Unreliable networking
    Be the first to leave a con

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    - No public GitHub repository available -

    What is Docker?

    The Docker Platform is the industry-leading container platform for continuous, high-velocity innovation, enabling organizations to seamlessly build and share any application ‚ÄĒ from legacy to what comes next ‚ÄĒ and securely run them anywhere

    What is NixOS?

    It is a Linux distribution with a unique approach to package and configuration management. Built on top of the Nix package manager, it is completely declarative, makes upgrading systems reliable, and has many other advantages.

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    What companies use Docker?
    What companies use NixOS?
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    What tools integrate with Docker?
    What tools integrate with NixOS?

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    Blog Posts

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    Jul 9 2019 at 7:22PM

    Blue Medora

    +8
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    28385
    What are some alternatives to Docker and NixOS?
    LXC
    LXC is a userspace interface for the Linux kernel containment features. Through a powerful API and simple tools, it lets Linux users easily create and manage system or application containers.
    rkt
    Rocket is a cli for running App Containers. The goal of rocket is to be composable, secure, and fast.
    Kubernetes
    Kubernetes is an open source orchestration system for Docker containers. It handles scheduling onto nodes in a compute cluster and actively manages workloads to ensure that their state matches the users declared intentions.
    Cloud Foundry
    Cloud Foundry is an open platform as a service (PaaS) that provides a choice of clouds, developer frameworks, and application services. Cloud Foundry makes it faster and easier to build, test, deploy, and scale applications.
    Vagrant
    Vagrant provides the framework and configuration format to create and manage complete portable development environments. These development environments can live on your computer or in the cloud, and are portable between Windows, Mac OS X, and Linux.
    See all alternatives
    Reviews of Docker and NixOS
    Co-Founder and CTO at Tipe
    Review of
    Docker

    Docker is the new kid on the block disrupting virtualization nowadays. You're able to save up to 70% of your development cost on AWS (or any other cloud) switching to Docker. For example instead of paying for many small VMs you can spin up a large one with many Docker containers to drastically lower your cost. That alone is only one of the reasons why Docker is the future and it's not even the best feature: isolation, testa­bil­i­ty, re­pro­ducibil­i­ty, standardization, security, and upgrading / down­grad­ing / ap­pli­ca­tion versions to name a few. You can spin up 1000's of Docker containers on an ordinary Laptop, but you would have trouble spinning up 100's of VMs. If you haven't already checked out Docker you're missing out on a huge opportunity to join the movement that will change development/production environments forever

    Review of
    Docker

    The support for macOS is a fake.

    I can't work with docker in macOS because de network and comunications with the container don't works correctly.

    How developers use Docker and NixOS
    ssshake uses
    Docker

    Currently experimenting. The idea is to isolate any services where I'm not confident yet in their security/quality. The hope is that if there is an exploit in a given service that an attacker won't be able break out of the docker container and cause damage to my systems.

    An example of a service I would isolate in a docker container would be a minecraft browser map application I use. I don't know who wrote it, I don't know who's vetting it, I don't know the source code. I would feel a lot better putting this in a container before I expose it to the internet.

    I believe I will follow this process for anything that's not properly maintained (not in an trusted apt-repo or some other sort of confidence)

    AngeloR uses
    Docker

    We are testing out docker at the moment, building images from successful staging builds for all our APIs. Since we operate in a SOA (not quite microservices), developers have a dockerfile that they can run to build the entirety of our api infrastructure on their machines. We use the successful builds from staging to power these instances allowing them to do some more manual integration testing across systems.

    Yaakov Gesher uses
    Docker

    Each component of the app was launched in a separate container, so that they wouldn't have to share resources: the front end in one, the back end in another, a third for celery, a fourth for celery-beat, and a fifth for RabbitMQ. Actually, we ended up running four front-end containers and eight back-end, due to load constraints.

    sapslaj uses
    Docker

    Linux containers are so much more lightweight than VMs which is quite important for my limited budget. However, Docker has much more support and tooling for it unlike LXC, hence why I use it. rkt is interesting, although I will probably stick with Docker due to being more widespread.

    Equinix-metal uses
    Docker

    We are running primarily as a micro-services platform and Docker lets us iterate on these smaller units consistently from dev to staging to production. It is also integral to our continuous deployment system for rolling out or rolling back new features.

    Chill Code uses
    NixOS

    Makes build management easier and immutable when using the nix package manager.